Hermes Agent Just Became OpenRouter's #1 App. Here's What That Means for Your Business
Hermes Agent, an open-source, self-improving AI agent from Nous Research, is currently the highest-traffic app on OpenRouter by token volume. For a small business, the practical takeaway is not the ranking: it is that you can now run a persistent AI team member on WhatsApp, Telegram, or Slack for roughly the price of a VPS (about $5 a month), one that builds its own reusable "skills" from the work you actually do and gets more useful to your specific business the longer you use it.
The most-used AI app in the world right now has never had a single human employee. It does not sleep. It does not quit. And this week, it is doing roughly the same volume of work as forty-nine other AI apps combined.
It is 9 p.m. On a Tuesday in Austin, Texas. Dana runs a six-person party and event rental business: tents, tables, string lights, the works. She is scrolling her phone in bed when she remembers a lead from three days ago, a corporate client asking about a Saturday setup, that never got a follow-up quote. She was going to get to it. She got busy. It is now cold, and there is a decent chance it is gone.
This is not a Dana problem. It is a small-business problem, everywhere, in every industry that runs on quotes, callbacks, and someone remembering to follow up. And this week, the AI agent that a lot of builders are suddenly reacting to is built almost entirely around fixing exactly that: an assistant that remembers, that acts, and that lives wherever you already talk to your team.
What Is Hermes Agent, and Why Is Everyone Talking About It This Week?
Hermes Agent is a free, open-source AI agent built by Nous Research, a small AI lab that started as two people fine-tuning models in a Discord server back in 2023. Its own README calls it "the agent that grows with you," and that is a fairly literal description: it has a built-in learning loop that creates new skills from experience, refines them the more you use them, and builds a persistent memory of who you are and how you work, across sessions, not just within one chat.
It is not tied to one AI model. You can point it at Claude, GPT, an open model through OpenRouter, or Nous's own hosted option, and switch with a single command, no code changes, no vendor lock-in. And it is not tied to one app, either. A single gateway process connects it to Telegram, WhatsApp, Slack, Discord, Signal, and email, so the same agent that answers you on WhatsApp at your desk can keep working on a task while you are on the road.
You Are the Memory System in Your Business. That's the Actual Bottleneck.
Here is how a missed lead like Dana's usually happens. Someone asks a question. You answer it in your head, or in a sticky note, or in a text thread that scrolls away. Nothing writes it down anywhere an assistant could act on it. The follow-up depends entirely on you remembering, at the right moment, out of everything else you are holding.
That is the quiet bottleneck in most small businesses. Not a lack of effort. A lack of memory that persists and acts without you having to carry it.
A Chatbot Answers. An Agent Finishes the Job.
Ask a chatbot "remind me to follow up with the corporate client," and it will, at best, answer well inside that one conversation. Close the tab, and it forgets. Ask an agent like Hermes the same thing, with the right integrations connected, and it holds onto that task, checks in on it later, drafts the follow-up quote, and can flag it to you before it goes cold, because holding onto things across time is the actual point of the system, not a side feature.
| Capability | A chatbot | Hermes-style agent |
|---|---|---|
| Memory | Resets when you close the chat | Persists across sessions; builds a model of you over time |
| Takes action | Only replies | Drafts, schedules, sends, books, with your approval |
| Learns your workflow | No | Builds and refines its own reusable "skills" from what worked last time |
| Where it lives | One app, one tab | WhatsApp, Telegram, Slack, Discord, Signal, email, one gateway |
| Cost to run | Bundled in a subscription you already pay | As low as roughly $5 a month, self-hosted |
Why This Is Happening Right Now, Not Six Months Ago
Three things converged this week that explain why builders are suddenly loud about this. First, the scale: Nous Research's own data, via OpenRouter's public app rankings, shows Hermes Agent has processed over 33 trillion tokens since launch and currently holds the number one spot by token volume on the platform, ahead of every other tracked application, according to Crypto Briefing's coverage of that data. Second, the release: version 0.20, nicknamed the "Herald Release," shipped this week with streaming, interruptible voice conversations, so you can talk to your agent the way you would talk to a colleague on a call, not just type at it. Third, the standard: Nous Research announced Hermes Agent now supports the same open "portable plugins" format used by Claude and other major agent platforms, meaning it can run Anthropic-style Skills and connect to MCP servers directly, rather than needing a bespoke integration for every tool.
None of that is hype for hype's sake. It is the plumbing that makes an agent like this usable by a business owner rather than only by a developer.
Isn't This Just a Chatbot With a Longer Memory?
Fair question, and it is worth understanding the actual mechanic, because it explains why this does not just turn into digital clutter over time. In a conversation with podcast host Peter Yang, Nous Research co-founder Karan Malhotra described the whole system as, in his words, "context management." Everything the agent does, its memory, its skills, its personality settings, is really about deciding what information the model needs to see right now, and what it can store away and retrieve only when relevant, so the model is not dragging around a bloated, slow conversation.
When Hermes handles a task well, it compresses what worked into a reusable "skill," a stored, focused routine it can pull back out the next time a similar task comes up, instead of re-figuring it out from scratch or clogging the live conversation with it. And because self-written skills can drift into mess over time (Malhotra himself said he worried early on about the system turning into "slop"), Nous built a background process called Hermes Curator that runs on a schedule, reviews the accumulated skills and memories, and quietly tidies up whatever is redundant or stale. It is the same discipline a well-run team applies to its own documentation, just automated.
How to Put an AI Team Member on Your Task Board This Week
You do not need to be a developer to try this, and you should not try to automate everything on day one. Here is the order that actually works.
- Pick where your team already talks. If your crew already lives in WhatsApp or Telegram, put the agent there. Do not add a new app nobody will open.
- Spin it up on cheap infrastructure. Hermes Agent's own setup wizard walks you through installation on a small, inexpensive VPS, or a serverless option that costs close to nothing while idle. You are looking at roughly the cost of one coffee a month in hosting, not a software contract.
- Connect a model you already trust. Claude, GPT, or an open model through OpenRouter all work, and you can switch later with one command if pricing or quality shifts. No lock-in, no rebuilding your setup.
- Give it exactly one real job to start. Not "run my business." One concrete, recurring task: drafting quote follow-ups for leads that have gone quiet for 48 hours is a good first pick for almost any service business.
- Let it build the skill, and review its first few attempts. The first several times it drafts a follow-up, read it before it goes out. This is also how it learns your voice and your actual pricing logic, not a generic one.
- Put it on the same board your humans use. Malhotra described his own team mixing human project managers and Hermes agents on one shared task board, and even sketched a version where an agent coordinates a small call-center team the same way a human supervisor would. The point is visibility: the agent's work should show up where your team already tracks work, not in a black box only it can see.
- Let the cleanup routine run. Don't hand-edit its skills every day. The built-in curator process exists so the system does not degrade the way an unmaintained spreadsheet does. Check in weekly, not hourly.
What You Have After Ninety Days
Week one, it drafts your follow-ups, and you approve or edit every single one. Month one, it has a working skill for that specific job, and it starts catching the lead you forgot before you do, because remembering is the one thing it was built to never fail at. Month six, it is quietly running that whole follow-up loop in the background, on WhatsApp, on a $5-a-month server, and you have mostly stopped thinking about it, because it has become part of how the business simply runs now.
Same team. One more member on it who never sleeps, never quits, and never forgets who you are. That is the actual shift here, not the leaderboard ranking. If your business already leans on agents with persistent memory, it is worth reading how we approached memory in an onboarding agent, since the same "remember, don't just reply" principle applies well beyond lead follow-up.
What is Hermes Agent?
Hermes Agent is a free, open-source AI agent built by Nous Research. It runs on your own cheap server or a serverless plan, connects to messaging apps like WhatsApp, Telegram, and Slack through one gateway, and improves itself over time by creating and refining its own reusable "skills" from the tasks you give it.
Is Hermes Agent free to use?
The software itself is free and open-source. You pay for the infrastructure it runs on, roughly $5 a month for a basic VPS or a nearly-idle-cost serverless plan, plus whatever you pay for the AI model behind it (Claude, GPT, or an OpenRouter model). Nous Research also offers an optional paid Nous Portal subscription that bundles model access with extra tools.
Can I run Hermes Agent on WhatsApp without knowing how to code?
Yes. Hermes Agent ships with a setup wizard for its messaging gateway, and small-business operators with no development background have documented setting up WhatsApp and Telegram bots with it in under an hour. You will still want to review its early outputs closely before letting it act without approval.
Which AI model does Hermes Agent use?
Whichever one you choose. Hermes Agent is model-agnostic: it works with Claude, GPT, hundreds of models through OpenRouter, Nous Research's own hosted option, or a local model, and you can switch providers with a single command without reconfiguring anything else.
Is it safe to let an AI agent send messages or make bookings for my business?
By default, Hermes Agent asks for approval before consequential actions. Nous Research co-founder Karan Malhotra has described proactive, unsupervised behavior, like it booking a flight on your behalf, as something that only emerges gradually, as you extend more access and trust to it over time, not something switched on from day one.
Find your first high-payback workflow.
See the SprintSources
- Hermes Agent — GitHub repository (NousResearch)
- Hermes Co-Founder on Building an AI Agent That Improves Itself | Karan Malhotra (Peter Yang, YouTube)
- Nous Research's Hermes Agent processes 1.5 trillion tokens on OpenRouter (Crypto Briefing)
- Hermes Agent Adopts Portable Plugins Standard (Digg)
- Your AI Agent Can Finally Talk Back – Hermes v0.20.0 'The Herald Release' (video coverage)
- Hermes Agent Quickstart docs (NousResearch)
Find your first high-payback workflow.
Book a free conversation or start with the fixed-fee Sprint.
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